<template>
  <el-dialog :title="upload.title" v-model="upload.open" width="400px" append-to-body>
    <el-upload
      ref="uploadRef"
      :limit="1"
      accept=".xlsx, .xls"
      :headers="upload.headers"
      :action="upload.url + '?updateSupport=' + upload.updateSupport"
      :disabled="upload.isUploading"
      :on-progress="handleFileUploadProgress"
      :on-success="handleFileSuccess"
      :auto-upload="false"
      drag>
      <el-icon class="el-icon--upload"><upload-filled /></el-icon>
      <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
      <template #tip>
        <div class="el-upload__tip text-center">
          <div class="el-upload__tip"><el-checkbox v-model="upload.updateSupport" />是否更新已经存在的用户数据</div>
          <span>仅允许导入xls、xlsx格式文件。</span>
          <el-link
            type="primary"
            :underline="false"
            style="font-size: 12px; vertical-align: baseline"
            @click="importTemplate"
            >下载模板</el-link
          >
        </div>
      </template>
    </el-upload>
    <template #footer>
      <div class="dialog-footer">
        <el-button size="medium" type="primary" @click="submitFileForm">确 定</el-button>
        <el-button size="medium" @click="upload.open = false">取 消</el-button>
      </div>
    </template>
  </el-dialog>
</template>
<script setup name="AdminImport">
  import { REQUEST } from '@/config'

  /*** 用户导入参数 */
  const upload = reactive({
    // 是否显示弹出层（用户导入）
    open: false,
    // 弹出层标题（用户导入）
    title: '',
    // 是否禁用上传
    isUploading: false,
    // 是否更新已经存在的用户数据
    updateSupport: 0,
    // 设置上传的请求头部
    headers: { Authorization: 'Bearer ' + getToken() },
    // 上传的地址
    url: REQUEST.DOMAIN + REQUEST.API_PREFIX + '/system/user/importData'
  })

  /** 下载模板操作 */
  function importTemplate() {
    proxy.download('system/user/importTemplate', {}, `user_template_${new Date().getTime()}.xlsx`)
  }

  /**文件上传中处理 */
  const handleFileUploadProgress = (event, file, fileList) => {
    upload.isUploading = true
  }

  /** 文件上传成功处理 */
  const handleFileSuccess = (response, file, fileList) => {
    upload.open = false
    upload.isUploading = false
    proxy.$refs['uploadRef'].handleRemove(file)
    proxy.$alert(
      "<div style='overflow: auto;overflow-x: hidden;max-height: 70vh;padding: 10px 20px 0;'>" +
        response.msg +
        '</div>',
      '导入结果',
      { dangerouslyUseHTMLString: true }
    )
  }

  /** 提交上传文件 */
  function submitFileForm() {
    proxy.$refs['uploadRef'].submit()
  }
</script>
